Pickling process and apparatus



H. K. AND N. A. BEACH. PICKLING PROCESS AND APPARATUS. APPLICATION FILEDNOV- 4 1920- Q 1,402,734, Patented Jan. 10, 1922.

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APPLICATION FILED NOV- 4,1920- I 1,402,734, v Patented JamlO, 1922.

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PICKLING PROCESS AND APPARATUS. APPLICATION FILED NOV-4,1920.

1,402,734, I Patented Jan. 10,1922.

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E I Inventors, Ila/ 010 ,Beaaiz; fljVgs-alomzstmfieacla part HAROLDKENNJE'Y BEACH AND NEALON AUSTIN BEACH, BALTIMORE, MARYLAND, ASSIGNORSTO BALTIMORE TUBE COMPANY, INCORPORATED, A CORPORATION OF MARYLAND.

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PICKLING PROCESS AND APPARATUS.

Specification of Letters Patent. Patented Jam. 1Q, 1922.

npplication filed November 4, 1920. Serial No. 421,632.

To allwhomz'tmay concern:

Be it known that we, HAROLD .KENNEY BEACH and NnALoN AUSTIN BEACH,citizens with a minimum of labor.

Referring to the drawings, which illustrate, merely by way of examplesuitable means for effecting our invention Fig. l is a plan view ofapparatus embodying our invention.

Fig. 2 is a side elevation of same.

Fig. 3 is a vertical section on line 3, 3 of Fig. 1. 1

Fig. 4 is a transverse vertical section on line 4 of Fig. 1, on anenlarged scale.

Fig. 5-is a sectional detail showing operating levers for clutches.

Similar numerals refer to similar parts throu bout the several vlews.

In ig. 3, We have shown the general scheme of passing the metal into andfrom the several baths to the drier or directly to a suitable arbor orreel for receiving same. In the present example the metal to he treatedis shown as'strips of sheet metalformed into coils. Metal in other formscan obviously be treated in a similar way.

The tank 7 is provided with a suitable acid in which the metal 8 isfirst immersed.

The freeend of the sheet of metal 8 is then carried over roller 9 andsecured to the windingarbor or spool .10 in the usual way, by insertingthe end of the metal into a slot in said arbor or spool; 1

- Spool 10 is mounted, on frame 11. This frame 11, is mounted on shaft12, which carries at its other end the spool 13, which is shown asprojecting into the cold, water tank 1 1.

A similar spool frame 15 is mounted on shaft'16 over the hot water tank17 and is provided in a similar way, with the spools 18 and 19. Roller20 serves to support and guide the metal passing from spool 13 to spool18, and roller 21'supports and guides the metalpassing from spool 19 tosuitablewdrying apparatus or directly to another arbor or spool notshown. Q

In operation the metal 8 having been immersed in the acid in tank 7 iswound onto spool 10. In the complete operation of the means herein shownit will be assumed that,

metal had" been previously wound onto spool 13 from tank 7 while spool13 was in the position in which spool 10 is now shown, after which frame11 is. given a half rotation carrying spool 10 from tank 1 1 and spool13 into tank 14 in the position as now shown.

It will be understood that one end of-the metalwound on spool 13 and nowimmersed in the cold water tank 14,- is passed over roller 20 andsecured to spool 18 1nounted on frame 15. It will also be understoodthat in a similar way spool 19 had been previously wound with metal before immersion intohot water tank 17 as shown, and that its free end hasbeen passed over roller 21 to a suitable receiving device not shown.

With the arrangement above described, a

suitable controlling mechanism is operated which causes the rotation ofspools 10 and 18, which results in the winding of the metal 8 from tank7 onto spool 10, and the winding of the metal from spool 13 in tank 14,onto spool 18. It is also presumed that a suitable receiving device'hasbeen provided for taking care of the metal on spool 19, but this is nota partof the present invention and is there fore not shown.

When this operation has been accomplished, frame 11 is given a one-halfrotation,

carrying loaded spool 1 0 into the cold water tank 14 and the emptyspool 13 out of the cold water into the position formerly assumed byspool 10. At the same time iframe 15 is similarly rotated therebyreversing the positions of spools 18 and 19.- The device is now inposition for repeating the opera.- tion above described, that is to say,a fresh coil of metal is immersed in acid tank 7, the

end of the metal is passed over roller 9 and secured to spool 13. Theend of the metal,

now coiled on cold water tank 14, is passed over roller and secured toempty spool 19, while the end of the metal loaded onto spool 18, nowimmersed in the hot water tank 17, is passed over roller 21 andconnected-with an suitable receiving device not shown. y the arrangementabove described "it will be ob-.

served that while one. charge of metal is being withdrawn from the acidtank, another charge is simultaneously withdrawn from the cold watertank and still another charge withdrawn from the hot water tank. It willalso be seen that after each operation ,the empty spools aresimultaneously lifted from the tanks and theloaded spool immersed in}said tanks.

The means for rotating the spools and the spool frames, and the controlstherefor, which makes possible the said operations, will now bedescribed.

Referring to Fig. 1, the shaft 22 receives its power from the motor23,-.or other suitable source of' power, and distributes this power toshafts 24 and 25. Shafts 24 and 25 rotate continuously and drive thespools through the-clutches 26 and 27. Power is transmitted from shaft24.to shafts 12 and 16, which rotate thespool frames 11 and 15, throughthe following mechanism; shaft 24 drives shaft 30 through sprocket chain31.'

Shaft 30 drives shaft 32 through spiral gears\33. Shaft 32 drivesshafts12 and 16 by means of the worm gears 34 and 35, and theclutches 36and 37.

The clutch elements 36 and '37 are the ordinary one-turnclutches'commonlyused in slow speed press construction, except that cams38 are provided so that they will knock out every half revolution.Elements 36 are loosely mounted onshafts 12 and 16 respectively androtate continuously. Elements 37 are feathered on their respectiveshafts, so that when element 36 engages when the elements are disengagedthe shafts stop. Normally elements 37 are held disengaged from elements36 by means of pin 39 engaging with the 'cam 38 connected with element-37. VVhen pin 39 is withdrawn from cam 38, the spring 40 forces element37 into engagement, with .element 36,

thereby causing the rotation of the shafts and-the spool frames. 1 'Asthe shaft rotates, pin 39,- havin' returned to its position by theaction of e spring 41, engages the cam 38 and thereby causes theseparation of the clutch elements 36 and 37, and the stopping of therotation of the shafts 12 and 16. These shafts 12 and 16 are locked inposition of rest by the latch 42 which engages one of the slots 43 inthe disc 44, which is also keyed to the shaft; The latch '42 is normallyactuated byspring 45 to engage with a slot 43,-

when the same comes into register therewith.

spool '10 and immersed in i with.lever 57 (see Fig. 5) mount-ed on shafttrolled by The pin 39 is mounted on rod 58 connected 1 In operationafter the metal strips have I been connected with the empty spools whichare above the tanks as above 'describedfthe pedal 49 on shaft 54,controlling the clutch elements 26 and 27, is operated to bring theseclutch elements into engagement. This causes the winding of the metalfrom. the several tanks, onto the emptyspools 10 and 18 as shown in Fig.3. After the metal has been wound entirely upon these spools, the pedal50, also on shaft 54, is actuated to rock the shaft in the oppositedirection, to cause the separation of the clutch elements 26 and. 27This stops the rotation of the spools. The pedal 51 loosely mounted onshaft 54, but adapted to engage lever 52 on shaft 56', is then actuatedto cause the. withdrawal of the latch 42 from a slot 43 of disc 44, andthe pin '39 from the cam 38. This permits the engagement of clutchelements 36 and 37, and permits the rotation of shafts 12 and 16. Thisresults in a half rotation of the spool frames 11 and 15, and causes theloaded spools or charges to be immersed, one in the cold water tank andthe other in the hot water tank, while the empty spools are lifted abovethe tanks. After the several pieces or sheets of metal are connected tothe empty spools, the operation is repeated as above described It willbenoted that thearrangement of pedals is :such that the operation of pedal49 causes the engagement of clutches 26 and 27. Pedal 50 may be operatedindependently of pedal 51 tocause the separation of clutch elements 26and 27 The operation of pedal 51 causes the withdrawal of pin 39 andlatch 42. Pedal 51 is idly mounted on shaft 54 and has an extensionoverlying aprojection 50 from pedal 50, so that unless pedal 50 has beenpreviously depressed, pedal 51 will depress the same, when operated todepress lever 52 on'-sha'ft 56. The result of this arrangement is thatshaft 56 cannot be rocked to cause the withdrawal of pin 39 and latch42,- until the shaft 54 has been rocked to cause the separation ofclutch elements 26 and 27. j

What we claim is 1. The method of pickling which consists 1n introducingcoils of metal into a plurality of baths. simultaneously withdrawing themetal by winding the coils from the several baths, and thensimultaneously immersing coils so Withdrawn into other bathsrespectively, and progressively Winding one coil from the last bath aseach new coil is withdrawn from the first bath;

2. In a pickling device, the combination of a plurality of liquidcontainers, a plurality of rotatable spool frames with spools mountedthereon, so arranged that when one spool of a frame is immersed in theliquid another spool is above the liquid, means for rotating the spools,means for rotating the frames and means for arbitrarily controlling therotating means.

3. In a pickling device, the combination ofa plurality of liquidcontainers, a plurality of rotatable spool frames with spools mountedthereon, so arranged that when one spool of a frame is immersed in theliquid another spool is above the liquid, means for simultaneouslyrotating the spools and arbitrarily operated means for controlling saidrotating means.

4. In a pickling device, the combination of a plurality of liquidcontainers, a plurality of rotatable spool frames with spools mountedthereon, means for rotating the frames to carry the spools into and outof the liquid and means for arresting the frames in required position.

5. In a pickling device, the combination of a plurality of liquidcontainers, a plurality of rotatable spool frames with spools mountedthereon, means for rotating the frames, comprising a constantly rotatingelement and a clutch between the constantly rotating element and theframe, and arbitrarily operated mechanism for controlling the clutch.

6. In a pickling device, the combination of a plurality of liquidcontainers, a plurality of rotatable spool frames with spools mountedthereon, means for rotating the spools, comprising constantly rotatingelements and a clutch between said constantly rotating elements andthespool, and an arbitrarily operated lever for controlling the clutch.

7. In a pickling device, the combination of a plurality of liquidcontainers, a plurality of rotatable spool frames with spools mountedthereon, means for rotating the frames, comprising a constantly rotatingelement and a clutch between the.v constantly rotating element and theframe, arbitrarily operated mechanism for controlling the clutch, alatch for locking the frame in required position, and means forarbitrarily controlling the latch, operating simultaneously with theclutch control.

8. In a pickling device, the combination of a plurality of liquidcontainers, a plurality of rotatable spool frames with spools mountedthereon, means for rotating the spools, including cooperating clutchelements, means for rotating the frames including other cooperatingclutch elements, and interacting mechanism whereby the means forbringing into operative relationship the frame clutch elements can onlybe operated after the mechanism separating the spool clutch elements hasoperated.

9. In a pickling device, the combination of a plurality of liquidcontainers, a plurality of rotatable spool frames with spools mountedthereon, means for rotating the spools, including cooperating clutchelements, means for rotating the frames including other cooperatingclutch elements, a latch for locking the frame in desired position, andinteracting mechanism where by the means for bringing into operativerelationship the frame clutch elements and for releasing the latch canonly be operated after the mechanism separating the spool clutchelements has operated.

HAROLD KENNEY BEACH. NEALON AUSTIN BEACH

